import axios from 'axios'
import {
	MessageBox,
	Message
} from 'element-ui'
import store from '@/store'
import {
	getToken
} from '@/utils/auth'
import Qs from 'qs'

// create an axios instance
const service = axios.create({
	baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
	// withCredentials: true, // send cookies when cross-domain requests
	timeout: 50000 // request timeout
})

// request interceptor
service.interceptors.request.use(
	config => {
		// do something before request is sent
		/* if (config.method === 'post') {
			config.data = Qs.stringify(config.data)
		} */
		if ((config.method === 'post' && config.type !== 'upload') || config.method === 'put' ||
			config.method === 'delete') {
			config.data = Qs.stringify(config.data)
		}
		if (store.getters.token) {
			// let each request carry token
			// ['X-Token'] is a custom headers key
			// please modify it according to the actual situation
			config.headers['X-Token'] = getToken()
		}
		return config
	},
	error => {
		// do something with request error
		console.log(error) // for debug
		return Promise.reject(error)
	}
)

// response interceptor
service.interceptors.response.use(
	/**
	 * If you want to get http information such as headers or status
	 * Please return  response => response
	 */

	/**
	 * Determine the request status by custom code
	 * Here is just an example
	 * You can also judge the status by HTTP Status Code
	 */
	response => {
		const res = response.data

		// if the custom code is not 20000, it is judged as an error.
		/* if (res.code == null) {
			return res;
		}
		if (res.code !== 200) {
			Message({
				message: res.message || 'Error',
				type: 'error',
				duration: 5 * 1000
			})

			// 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
			if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
				// to re-login
				MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again',
					'Confirm logout', {
						confirmButtonText: 'Re-Login',
						cancelButtonText: 'Cancel',
						type: 'warning'
					}).then(() => {
					store.dispatch('user/resetToken').then(() => {
						location.reload()
					})
				})
			}
			return Promise.reject(new Error(res.message || 'Error'))
		} else {
			return res
		} */
		return res
	},
	error => {
		console.log('err' + error) // for debug
		Message({
			message: error.message,
			type: 'error',
			duration: 5 * 1000
		})
		return Promise.reject(error)
	}
)

export default service